$json_string = json_encode($object, JSON_FORCE_OBJECT); json_encode($object); //结果:"[{"aa":"bb","cc":"dd"}]" json_encode($object，JSON_FORCE_OBJECT); //结果："{"aa":"bb","cc":"dd"}"
php 对象转字符串
原文：https://www.cnblogs.com/chenlw/p/10259472.html
